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NCT07500974RecruitingPhase 2

Efficacy of L-menthol on Breathlessness in Asthma

Effect of L-menthol on Breathlessness and Exercise Capacity in Asthma: a Randomized Crossover Trial

Source: ClinicalTrials.gov · Last updated 19 Aug 2026

Brief summary (registry, in English)

The purpose of this study is to assess the effect of L-menthol on breathlessness and exercise capacity in patients with Asthma.

Status (registry)
Recruiting
Phase (registry)
Phase 2
Study type
Interventional
Enrollment
20 (estimated)
First submitted
24 Mar 2026
Start date
7 May 2026
Primary completion date
30 Apr 2027
Lead sponsor
Region Skane
Diseases
Asthma
NCT number
NCT07500974

What you commit to

  • Study type: Interventional · Phase 2
  • Planned participants: 20
  • From 7 May 2026 to the primary completion date, 30 Apr 2027
  • 2 sites in 1 country
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Prior treatment

  • treatment with supplementary oxygen at rest or during exercise

Other illness

  • medical conditions including congestive heart failure, acute coronary artery disease, neuromuscular diseases, severe psychiatric illness, and olfaction disorder.

Other

  • resting peripheral oxygen saturation (SpO2) \< 92%
  • hospitalization or clinical instability during the last four weeks
  • contraindication to exercise testing in accordance with clinical practice guidelines
  • expected survival shorter than six months as judged by the Investigator

Who the study is looking for

  • the subject has given written consent to participate in the study
  • physician diagnosis of Asthma according to international guidelines
  • mMRC (modified Medical Research Council) score of 1 or above
  • age 18 years or older
  • able to cycle
  • able to understand and talk Swedish to participate in the study procedures, as judged by the Investigators.

Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (2)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
Blekinge Institute of Technology
Coordinator of this site? Confirm its status
KarlskronaSwedenNot yet recruiting
Lund University hospital and Region Skåne
Coordinator of this site? Confirm its status
LundSwedenRecruiting

This page is information, not medical advice. Discuss any trial with your doctor.